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Conference Papers Year : 2021

New Fixed Time and Fast Converging Reduced Order Observers

Abstract

For nonlinear continuous-time systems with continuous measurements of the output, we provide new reduced order observers that converge in finite time. The convergence time is independent of the initial state. For cases where the measurements are discrete, we provide asymptotically converging observers, whose rate of convergence is proportional to the negative of the logarithm of the size of the sampling interval. Our observers are based on the observability Gramian.
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Dates and versions

hal-03431462 , version 1 (16-11-2021)

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Frederic Mazenc, Michael Malisoff. New Fixed Time and Fast Converging Reduced Order Observers. IEEE 60th Conference on Decision and Control (CDC 2021), Dec 2021, Austin, United States. ⟨10.1109/cdc45484.2021.9682973⟩. ⟨hal-03431462⟩
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